Home / 21,515.48-32,227.85-9,838.52

Finding the Fourth Proportional to 21,515.48, 32,227.85 and 9,838.52

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Solution

The fourth proportional to 21,515.48, 32,227.85 and 9,838.52 is: 14,737.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,515.48 : 32,227.85 = 9,838.52 : x
  2. Step 2: Convert to fraction form
    21,515.48/32,227.85 = 9,838.52/x
  3. Step 3: Cross multiply
    21,515.48x = 32,227.85 × 9,838.52
  4. Step 4: Simplify right side
    21,515.48x = 317,074,210.24
  5. Step 5: Solve for x
    x = 317,074,210.24/21,515.48
  6. Step 6: Final answer
    x = 14,737.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.